The cluster secret is shown at the cluster status tab
Added some functionalities to ClusterStatus

 * This will help with the HA refactoring
HA refactor: Use only ClusterStatus class for retrieve information

 * Remove CRMWrapper class
 * Extract promote/demote functionalities to a newer class NodePromoter
 * Every reference to CRMWrapper now uses the ClusterStatus class
Merge branch 'master' into figarocorso/ha-refactor
Added some space between summary and errors at cluster summary
Fix when upgrading ha module
Added replicating state when saving changes after replication

This helps to not commit suicide when restarting ha module due to network changes
Get conf from peer node when joining

Instead of replicating our maybe empty configuration.

From the user's point of view, it is what is logical.
preserve permissions with tar
Merge branch 'master' into ejhernandez/ha-repl-fixes
added method doc
added replication status to nodes table
Merge branch 'ejhernandez/ha-repl-fixes' into jacalvo/repl-status

Conflicts:
	main/ha/src/EBox/HA.pm
retry replication button
added missing assignation
Fixed the logic to stop returning $appName if it's not 'usercorner'
Merge pull request #992 from Zentyal/cperello/usercorner-fixes

masterCperello/usercorner fixes
Merge pull request #988 from Zentyal/jacalvo/repl-status

Jacalvo/repl status
Defined a tmp dir to stop using production path for unit tests and used sudo fake class
Merge pull request #994 from Zentyal/cperello/unittest-fixes

cperello/unittest fixes